Studies in the structures, physiology and ecology of molluscs  the proceedings of a symposium held at the Zoological Society of London on 8 and 9 March, 1967 
edited by Vera Fretter. 
 - London  New York  published for the Zoological Study of London by Academic Press  1968. 
 - xvii, 377 p.  ill. 
 - Symposia of the Zoological Study of London; no. 22 .
<br/><br/> Proceedings of a symposium jointly organized by the Zoological and Malacological Societies of London. 
<br/><br/>Include bibliographies.